forked from github_mirror/framelesshelper
127 lines
4.2 KiB
C++
127 lines
4.2 KiB
C++
/*
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* MIT License
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*
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* Copyright (C) 2021 by wangwenx190 (Yuhang Zhao)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "qtacryliceffecthelper_win32.h"
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#include "utilities.h"
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#include <QtCore/qt_windows.h>
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#include <QtCore/qcoreapplication.h>
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#ifndef WM_DWMCOMPOSITIONCHANGED
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// Only available since Windows Vista
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#define WM_DWMCOMPOSITIONCHANGED 0x031E
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#endif
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#ifndef WM_DWMCOLORIZATIONCOLORCHANGED
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// Only available since Windows Vista
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#define WM_DWMCOLORIZATIONCOLORCHANGED 0x0320
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#endif
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#ifndef WM_DPICHANGED
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// Only available since Windows 8.1
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#define WM_DPICHANGED 0x02E0
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#endif
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const int QtAcrylicWinUpdateEvent::QtAcrylicEffectChangeEventId = QEvent::registerEventType();
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QtAcrylicWinUpdateEvent::QtAcrylicWinUpdateEvent(const bool clearWallpaper) : QEvent(static_cast<QEvent::Type>(QtAcrylicEffectChangeEventId))
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{
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m_shouldClearPreviousWallpaper = clearWallpaper;
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}
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QtAcrylicWinUpdateEvent::~QtAcrylicWinUpdateEvent() = default;
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static QScopedPointer<QtAcrylicWinEventFilter> g_instance;
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QtAcrylicWinEventFilter::QtAcrylicWinEventFilter() = default;
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QtAcrylicWinEventFilter::~QtAcrylicWinEventFilter()
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{
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// FIXME
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//unsetup();
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}
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void QtAcrylicWinEventFilter::setup()
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{
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if (g_instance.isNull()) {
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g_instance.reset(new QtAcrylicWinEventFilter);
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qApp->installNativeEventFilter(g_instance.get());
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}
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}
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void QtAcrylicWinEventFilter::unsetup()
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{
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if (!g_instance.isNull()) {
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qApp->removeNativeEventFilter(g_instance.get());
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g_instance.reset();
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}
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}
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#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
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bool QtAcrylicWinEventFilter::nativeEventFilter(const QByteArray &eventType, void *message, qintptr *result)
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#else
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bool QtAcrylicWinEventFilter::nativeEventFilter(const QByteArray &eventType, void *message, long *result)
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#endif
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{
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Q_ASSERT(eventType == "windows_generic_MSG");
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Q_ASSERT(message);
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Q_UNUSED(result); // We don't need this parameter.
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if ((eventType != "windows_generic_MSG") || !message) {
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return false;
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}
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#if (QT_VERSION == QT_VERSION_CHECK(5, 11, 1))
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const auto msg = *reinterpret_cast<MSG **>(message);
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#else
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const auto msg = static_cast<LPMSG>(message);
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#endif
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bool shouldUpdate = false;
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bool shouldClearWallpaper = false;
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switch (msg->message) {
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case WM_SETTINGCHANGE: {
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if (msg->wParam == SPI_SETDESKWALLPAPER) {
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shouldClearWallpaper = true;
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shouldUpdate = true;
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}
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if ((msg->wParam == 0) && (QString::fromWCharArray(reinterpret_cast<LPCWSTR>(msg->lParam)) == QStringLiteral("ImmersiveColorSet"))) {
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shouldUpdate = true;
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}
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} break;
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case WM_THEMECHANGED:
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case WM_DWMCOMPOSITIONCHANGED:
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case WM_DWMCOLORIZATIONCOLORCHANGED:
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case WM_DPICHANGED:
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shouldUpdate = true;
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break;
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default :
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break;
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}
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if (shouldUpdate) {
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const QWindow *window = Utilities::findWindow(reinterpret_cast<WId>(msg->hwnd));
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if (window) {
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const QScopedPointer<QEvent> updateEvent(new QtAcrylicWinUpdateEvent(shouldClearWallpaper));
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QCoreApplication::sendEvent(const_cast<QWindow *>(window), updateEvent.get());
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}
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}
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return false;
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}
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